. >>> nasa finds ice in a pretty unexpected place. sun-scorched mercury. yes, the closest planet to the sun. what's going on with that? i'll ask a scientist what it means in our hunt for life in outer space. >>> plus, famed actor and humanitarian angelina jolie speaks backing a move by the u.k. in war-torn syria. imagine living your life with less chronic low back pain. imagine you, with less pain. cymbalta can help. cymbalta is fda-approved to manage chronic musculoskeletal pain. one non-narcotic pill a day, every day, can help reduce this pain. tell your doctor right away if your mood worsens, you have unusual changes in mood or behavior or thoughts of suicide. antidepressants can increase these in children, teens, and young adults. cymbalta is not approved for children under 18. people taking maois or thioridazine or with uncontrolled glaucoma should not take cymbalta. taking it with nsaid pain relievers, aspirin, or blood thinners may increase bleeding risk. severe liver problems, some fatal, were reported. signs include abdominal pain and yellowing sk